Question

Note: Answer all questions. Each question carries one mark 4X1 = 4

1. If A = {2,3,5} and B={5,6,7} then find B - A ?

2. Write the roster form of A where A={x: x €N, x is a composite number

and 6<x≤16}

3. If n(A∩B) = 6 n(A) = 15, n(B) = 8 then find n(AUB) ?

4. Draw the venn-diagram of A∩B ?​

Answer 1

Step-by-step explanation:

1)A=|2 3 5|

B =|5 6 7|

B-A= |5 6 7|- |2 3 5|

= |3 3 2|

Hope it will be help you

Answer 2

Answer:

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